Gastroenterology Today Summer 2022
Gastroenterology Today Summer 2022
Gastroenterology Today Summer 2022
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Volume 32 No. 2<br />
<strong>Summer</strong> <strong>2022</strong><br />
In this issue<br />
Xxx<br />
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CONTENTS<br />
CONTENTS<br />
4 EDITORS COMMENT<br />
6 FEATURE Gluten-free diet offers an effective option for<br />
those with IBS to manage their symptoms<br />
9 FEATURE Magnifying endoscopic findings of early-stage<br />
poorly differentiated colorectal adenocarcinoma:<br />
a case report<br />
Matthew’s Perspective:<br />
15 FEATURE Postpolypectomy fever in patients with serious<br />
infection: a report of two cases<br />
21 NEWS<br />
28 REPORT The Cost of Opioid-induced constipation (OIC)<br />
An essential report into the financial and personal<br />
cost of OIC<br />
29 COMPANY NEWS<br />
This issue edited by:<br />
Hesam Ahmadi Nooredinvand<br />
c/o Media Publishing Company<br />
Greenoaks<br />
Lockhill<br />
Upper Sapey, Worcester, WR6 6XR<br />
What approach has 18 Week Support<br />
taken with regards to building an<br />
expert insourcing team?<br />
ADVERTISING & CIRCULATION:<br />
Media Publishing Company<br />
Greenoaks, Lockhill<br />
Upper Sapey, Worcester, WR6 6XR<br />
Tel: 01886 853715<br />
E: info@mediapublishingcompany.com<br />
Dr Matthew Banks is the Clinical Director for 18 Week Support <strong>Gastroenterology</strong>. He believes it starts with recruiting the<br />
www.MediaPublishingCompany.com<br />
best clinicians. ‘At 18 Week Support we set the bar very high. We only recruit clinicians whose JAG performance data is well<br />
above the national standards. In addition, we monitor each clinician’s KPIs while they work with 18 WS. While the JAG data<br />
is an excellent quality indicator, we now want to go a step beyond that and PUBLISHING monitor the Non-Technical DATES: skills (NTS) of each<br />
clinician as well. We now know that NTS plays an important role in safe and effective team performance. Therefore, in our<br />
March, June, September and December.<br />
quest to develop excellent teams who deliver a world-class service, we must focus on NTS’.<br />
Tammy and Lisa’s Perspective:<br />
COPYRIGHT:<br />
Tammy Kingstree is Lead Nurse for Endoscopy.<br />
Media Publishing Company<br />
‘It is extremely important that there are good working relationships within the team. This starts with strong leadership from<br />
Greenoaks<br />
our senior nurse coordinators who are trained to manage the patient pathway, manage a team of staff they may not know<br />
and to deal effectively with any issues which may arise on the day’. Lockhill<br />
Upper Sapey, Worcester, WR6 6XR<br />
Lisa Phillips is Lead Nurse for Endoscopy.<br />
‘The team objectives are clear. Excellent patient experience and good patient outcomes. Because the objectives are clear,<br />
team cohesion and focus are exceptionally good. It therefore shouldn’t matter PUBLISHERS that we are in an unfamiliar STATEMENT:<br />
endoscopy unit,<br />
the service should be seamless. If it isn’t, we do not stop until we get it right. The views and opinions expressed in<br />
this issue are not necessarily those of<br />
If you have an excellent NHS record and want to help clear NHS waiting list backlogs, reduce RTT waiting times and provide<br />
the Publisher, the Editors or Media<br />
high-quality patient care, get in touch by calling on 020 3892 6162 or email Gastro.Recruitment@18weeksupport.com<br />
Publishing Company.<br />
COVER STORY<br />
In this edition, Dr Matthew Banks, Clinical Lead for <strong>Gastroenterology</strong> at<br />
18 Week Support, explores what it is like to deliver endoscopy as part of<br />
a team in a modular endoscopy suite. These mobile units are increasingly<br />
popular for Trusts looking to secure extra theatre capacity quickly and cost<br />
effectively. With diagnostic waiting times still at record highs, it is likely that<br />
many of you will at some point work in such units, and Matthew’s experience<br />
and insights will hopefully prove helpful.<br />
Next Issue Autumn <strong>2022</strong><br />
Subscription Information – <strong>Summer</strong> <strong>2022</strong><br />
<strong>Gastroenterology</strong> <strong>Today</strong> is a quarterly<br />
publication currently sent free of charge to<br />
all senior qualified Gastroenterologists in<br />
the United Kingdom. It is also available<br />
by subscription to other interested individuals<br />
and institutions.<br />
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Designed in the UK by me&you creative<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
3
EDITORS COMMENT<br />
EDITORS COMMENT<br />
“A recent large<br />
multicenter<br />
study by the<br />
Sheffield<br />
<strong>Gastroenterology</strong><br />
group found<br />
that gluten free<br />
diet has similar<br />
efficacy to a<br />
low FODMAP<br />
diet which can<br />
perhaps provide<br />
a simpler and<br />
less restrictive<br />
dietary option in<br />
some patients<br />
with IBS.”<br />
Irritable bowel syndrome is a prevalent functional gastrointestinal disorder accounting<br />
for approximately a quarter of gastroenterologists’ time in the outpatient clinic. We know<br />
that diet plays a crucial role in management of these patients however choosing the right<br />
diet can be challenging.<br />
One of the most commonly used diets is the low FODMAP diet and although there is<br />
evidence to suggest many patients with IBS benefit from this, it is quite a restrictive diet<br />
meaning adherence can be an issue. A recent large multicenter study by the Sheffield<br />
<strong>Gastroenterology</strong> group found that gluten free diet has similar efficacy to a low FODMAP<br />
diet which can perhaps provide a simpler and less restrictive dietary option in some<br />
patients with IBS. We have an article summarising these findings in this summer issue of<br />
<strong>Gastroenterology</strong> <strong>Today</strong>. Other articles include:<br />
• Case report highlighting the importance of careful lesion assessment through use of<br />
magnification and chromoendoscopy to predict histology and hence appropriateness of<br />
endoscopic resection of a lesion found during endoscopic examination<br />
• Two cases of post-polypectomy fever, a rare but potentially serious condition with lifethreatening<br />
complications, highlighting the importance of early recognition and prompt<br />
antibiotic therapy<br />
Hesam Ahmadi Nooredinvand,<br />
St George’s Hospital<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
4
Prescribe Entocort ® CR by brand<br />
instead of prednisolone<br />
• Rapid induction of remission from 2 weeks with<br />
Entocort ® CR* 1<br />
• ~50% fewer corticosteroid-associated side effects<br />
than prednisolone 2,3<br />
• Unlike Entocort ® CR, prednisolone increases<br />
susceptibility to, and severity of, infections †2,4<br />
• Entocort ® CR is the only controlled-release<br />
oral budesonide indicated for Crohn’s disease 2<br />
Help keep your Crohn’s patients out of hospital...<br />
...and where they want to be<br />
*Remission was defined as a score of ≤150 on the Crohn’s disease activity index.<br />
†Entocort ® CR should be used with caution in patients with infections where the use of glucocorticosteroids may have unwanted effects. 2<br />
ENTOCORT CR 3mg Capsules (budesonide) - Prescribing<br />
Information<br />
Please consult the Summary of Product Characteristics (SmPC) for full<br />
prescribing Information<br />
Presentation: Hard gelatin capsules for oral administration with an<br />
opaque, light grey body and an opaque, pink cap marked CIR 3mg in black<br />
radial print. Contains 3mg budesonide. Indications: Induction of remission<br />
in patients with mild to moderate Crohn’s disease affecting the ileum and/or<br />
the ascending colon. Induction of remission in patients with active<br />
microscopic colitis. Maintenance of remission in patients with microscopic<br />
colitis. Dosage and administration: Active Crohn’s disease (Adults): 9mg<br />
once daily in the morning for up to eight weeks. Full effect achieved in 2-4<br />
weeks. When treatment is to be discontinued, dose should normally be<br />
reduced in final 2-4 weeks. Active microscopic colitis (Adults): 9mg once<br />
daily in the morning. Maintenance of microscopic colitis (Adults): 6mg once<br />
daily in the morning, or the lowest effective dose. Paediatric population: Not<br />
recommended. Older people: No special dose adjustment recommended.<br />
Swallow whole with water. Do not chew. Contraindications:<br />
Hypersensitivity to the active substance or any of the excipients. Warnings<br />
and Precautions: Side effects typical of corticosteroids may occur. Visual<br />
disturbances may occur. If a patient presents with symptoms such as<br />
blurred vision or other visual disturbances they should be considered for<br />
referral to an ophthalmologist for evaluation of the possible causes.<br />
Systemic effects may include glaucoma and when prescribed at high doses<br />
for prolonged periods, Cushing’s syndrome, adrenal suppression, growth<br />
retardation, decreased bone mineral density and cataract. Caution in<br />
patients with infection, hypertension, diabetes mellitus, osteoporosis,<br />
peptic ulcer, glaucoma or cataracts or with a family history of diabetes or<br />
glaucoma. Particular care in patients with existing or previous history of<br />
severe affective disorders in them or their first degree relatives. Caution<br />
when transferring from glucocorticoid of high systemic effect to Entocort<br />
CR. Chicken pox and measles may have a more serious course in patients<br />
on oral steroids. They may also suppress the HPA axis and reduce the stress<br />
response. Reduced liver function may increase systemic exposure. When<br />
treatment is discontinued, reduce dose over last 2-4 weeks. Concomitant<br />
use of CYP3A inhibitors, such as ketoconazole and cobicistat-containing<br />
products, is expected to increase the risk of systemic side effects and<br />
should be avoided unless the benefits outweigh the risks. Excessive<br />
grapefruit juice may increase systemic exposure and should be avoided.<br />
Patients with fructose intolerance, glucose-galactose malabsorption or<br />
sucrose-isomaltase insufficiency should not take Entocort CR. Monitor<br />
height of children who use prolonged glucocorticoid therapy for risk of<br />
growth suppression. Interactions: Concomitant colestyramine may<br />
reduce Entocort CR uptake. Concomitant oestrogen and contraceptive<br />
steroids may increase effects. CYP3A4 inhibitors may increase systemic<br />
exposure. CYP3A4 inducers may reduce systemic exposure. May cause low<br />
values in ACTH stimulation test. Fertility, pregnancy and lactation: Only<br />
to be used during pregnancy when the potential benefits to the mother<br />
outweigh the risks for the foetus. May be used during breast feeding.<br />
Adverse reactions: Common: Cushingoid features, hypokalaemia,<br />
behavioural changes such as nervousness, insomnia, mood swings and<br />
depression, palpitations, dyspepsia, skin reactions (urticaria, exanthema),<br />
muscle cramps, menstrual disorders. Uncommon: anxiety, tremor,<br />
psychomotor hyperactivity. Rare: aggression, glaucoma, cataract, blurred<br />
vision, ecchymosis. Very rare: Anaphylactic reaction, growth retardation.<br />
Prescribers should consult the summary of product characteristics in<br />
relation to other adverse reactions. Marketing Authorisation Numbers,<br />
Package Quantities and basic NHS price: PL 36633/0006. Packs of 50<br />
capsules: £37.53. Packs of 100 capsules: £75.05. Legal category: POM.<br />
Marketing Authorisation Holder: Tillotts Pharma UK Ltd, The Stables,<br />
Wellingore Hall, Wellingore, Lincoln, LN5 0HX. Date of preparation of PI:<br />
February 2020<br />
Adverse events should be reported.<br />
Reporting forms and information can be<br />
found at https://yellowcard.mhra.gov.uk.<br />
Adverse events should also be reported to<br />
Tillotts Pharma UK Ltd. Tel: 01522 813500.<br />
References: 1. Campieri M et al. Gut 1997; 41: 209–214. 2. Entocort ®<br />
CR 3 mg capsules – Summary of Product Characteristics. 3. Rutgeerts<br />
P et al. N Engl J Med 1994; 331: 842–845. 4. Prednisolone 5 mg tablets<br />
– Summary of Product Characteristics.<br />
Date of preparation: August 2021. PU-00572.
FEATURE<br />
GLUTEN-FREE DIET OFFERS AN<br />
EFFECTIVE OPTION FOR THOSE WITH<br />
IBS TO MANAGE THEIR SYMPTOMS<br />
New research from the Sheffield <strong>Gastroenterology</strong> group has<br />
found that a gluten-free diet offers an equally effective dietary<br />
treatment option for those with irritable bowel syndrome (IBS)<br />
looking to manage their symptoms, alongside first and secondline<br />
dietary advice currently recommended.<br />
In the largest multicentre study of its kind, researchers investigated the<br />
long-term use of the low-FODMAP diet, the recommended second-line<br />
dietary treatment option, amongst IBS patients originally advised on the<br />
diet by dietitians based in 5 key UK hospitals 1 . The study found that the<br />
low FODMAP diet had longevity and continued success for the majority<br />
of patients with 76% continuing to follow a personalised form of the diet<br />
up to 8 years later.<br />
A key insight from the study was that 68% of these patients who<br />
reported to be following a personalised low FODMAP diet in the long<br />
term, regularly purchased specialist gluten and wheat-free products to<br />
help manage their symptoms. This led researchers to question whether<br />
the gluten-free diet may in fact be a simpler route to the same benefit<br />
and whether the gluten-free diet is in fact the crux of the ‘personalised’<br />
low FODMAP diet, which has the potential to benefit a large percentage<br />
of IBS sufferers. This ‘FODMAP light’ or ‘FODMAP gentle’ approach<br />
could provide an alternative ‘bottom up’ management approach for IBS<br />
alongside the existing ‘top down’ low FODMAP diet (see fig. 1).<br />
IBS (see fig. 2). Whilst traditional advice was found to be more patient<br />
friendly, and so should remain the first-line dietary treatment option, the<br />
low FODMAP diet and gluten-free diet should be considered as equally<br />
effective second-line alternatives, based on patient preference and<br />
specialist opinion. These findings are of particular relevance, given that<br />
an earlier piece of research from the same team demonstrated inequity<br />
in GI dietetic service provision across England, with regional differences<br />
in the level of provision and extent of specialist care and insufficient time<br />
for clinic appointments 3 . Given these findings, there is an urgent need to<br />
consider less complex dietary interventions for common conditions such<br />
as IBS in order to maximise efficiency and standards in patient care.<br />
Dr Imran Aziz, Consultant<br />
Gastroenterologist at the Royal<br />
Hallamshire Hospital, Sheffield<br />
commented:<br />
“Diet appears to play a pivotal<br />
role in symptom generation in IBS<br />
patients. Over the last decade<br />
there has been a substantial<br />
increase in interest in the role of<br />
dietary therapies in IBS, including<br />
a gluten-free diet. This latest<br />
research shows that a glutenfree<br />
has a similar level of efficacy<br />
Fig. 2<br />
to traditional dietary and low<br />
FODMAP dietary advice and so deserves a seat at the table. It is an<br />
important step in providing IBS patients with choice, helping them to find<br />
relief from their symptoms in the simplest, most effective way for them.”<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
Fig. 1<br />
A follow-up randomised trial, led by the Sheffield team involved a headto-head<br />
investigation looking at the best treatment options for patients<br />
with IBS in real world conditions 2 . It compared traditional (first-line)<br />
dietary advice, a low FODMAP diet and a gluten-free diet.<br />
The key finding from the study was that all three diets were equally<br />
effective in managing symptoms for patients with non-constipated<br />
Katie Kennedy, Company Dietitian for gluten-free food manufacturer Dr<br />
Schär who helped to fund this research, added:<br />
“Dr Schär were delighted to support Sheffield to conduct this research, the<br />
first study of it’s kind to compare all three major dietary interventions for<br />
IBS. The results will empower dietitians to suggest the most appropriate<br />
dietary treatment options for their IBS patients in a joint decision-making<br />
process. This study proves that, if advised on and followed correctly,<br />
traditional dietary advice can help the majority of IBS sufferers to find relief<br />
from their symptoms, without the need for more complex and costly dietary<br />
interventions. If traditional dietary advice fails, then there are further, equally<br />
effective options available to patients, including a gluten-free diet”.<br />
Further research is underway to build on these findings and provide<br />
further impetus for a medical consensus and future change in national<br />
guidance on IBS.<br />
6<br />
References<br />
1. Rej, A, Shaw C, Buckle R et al. The low FODMAP diet for IBS: A multicentre UK study assessing long-term followup.<br />
Dig Liver Dis 2021 Nov;53(11):1404-1411. Doi: 10.1016/j.dld.2021.05.004.Epub 2021 Jun 1<br />
2. Rej A, Sanders DS, Shaw CC, et al. Efficacy and Acceptability of Dietary Therapies in Non-Constipated Irritable<br />
Bowel Syndrome: A Randomized Trial of Traditional Dietary Advice, the Low FODMAP Diet and the Gluten-Free<br />
Diet. Clin Gastroenterol Hepatol. <strong>2022</strong> Feb 28: S1542-3565 (22) 00202-6. doi: 10.1016/j.cgh.<strong>2022</strong>.02.045.<br />
Online ahead of print<br />
3. Rej A, Buckle RL, Shaw CC, et al. National survey evaluating the provision of gastroenterology dietetic services in<br />
England. Frontline <strong>Gastroenterology</strong> 2020:flgastro-2020-101493.
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GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
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Endoscopy sees increased activity, but waiting lists remain challenging<br />
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Criteria & Quality<br />
We select Endoscopists with an endoscopy<br />
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Trusts shift to on-site mobile and modular theatre suites to better<br />
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The NHS is of course already engaged in this challenge and is rolling out<br />
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shops for tests as well as symptom hotlines.<br />
A particularly successful initiative however has been Trusts’ embracing<br />
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We provide tailored solutions to manage<br />
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Here at 18 Week Support, the UK’s largest clinical insourcing provider,<br />
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We have assisted over 55 Trusts around the country, carrying out the full<br />
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Our commitment to improving the<br />
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Like the NHS Trusts we work with, patient<br />
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The experience of endoscopy delivery in modular mobile suites<br />
But what is the actual experience like for endoscopists to work in a<br />
stand-alone ‘cold site’?<br />
Dr Matthew Banks, Clinical Lead for 18 Week Support <strong>Gastroenterology</strong>,<br />
believes that although the experience is obviously new and has some<br />
specific challenges, adaptation to the new working environment can<br />
be rapid and relatively straightforward given 18 Week Support’s teams<br />
are mainly drawn from existing or recently retired NHS Consultants and<br />
nurses looking for extra shifts or to work part-time for a period.<br />
“Endoscoping in a mobile or semi-permanent endoscopy suite requires<br />
a degree of flexibility and adaptability. One needs to take time getting<br />
familiar with the unit, layout, equipment and IT. Once you have your<br />
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awareness, it is very much like scoping in any endoscopy unit”, said<br />
Staff do however need to be aware of the limitations. Matthew added,<br />
“Often you are isolated, with no, or very limited clinical back up and<br />
this dictates the level of complexity of the patients being endoscoped.<br />
Complex therapeutics and high-risk patients (ASA grade III/IV) are<br />
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endoscopy”.<br />
Those working in insourcing teams like 18 Week Support will often find<br />
themselves working with different nurses through the course of a week,<br />
or over a longer period of time. Leadership, patience and understanding<br />
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In addition, each unit team will typically have a Nurse in Charge (NIC)<br />
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role as the endoscopist is key, and working as a team is essential in<br />
Happy patient<br />
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the endoscopist needs to show leadership, but they also need to<br />
understand that someone else is actually in charge of the unit, and this<br />
can be a challenge for many consultant endoscopists”, said Matthew.<br />
Who we’re looking for<br />
Another “working-life” difference arises not from working in a mobile unit<br />
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GASTROENTEROLOGY TODAY - SPRING 2019
FEATURE<br />
MAGNIFYING ENDOSCOPIC FINDINGS OF EARLY-<br />
STAGE POORLY DIFFERENTIATED COLORECTAL<br />
ADENOCARCINOMA: A CASE REPORT<br />
Haiyan Li 1 , Yao Liu 2 and Jianhong Zhu 1*<br />
Li et al. BMC <strong>Gastroenterology</strong> (<strong>2022</strong>) 22:148 https://doi.org/10.1186/s12876-022-02209-w<br />
Abstract<br />
Case presentation<br />
Background: Colorectal poorly differentiated adenocarcinoma is<br />
rarely founded, especially in early-stage. Endoscopic features of early<br />
poorly differentiated colorectal cancer in magnifying endoscopy and<br />
chromoendoscopy haven’t been clarified.<br />
Case presentation: A 49-year-old man was referred to our hospital<br />
for endoscopic treatment of a lateral spread tumor located in the<br />
rectum. We performed pre-resection endoscopic examination for the<br />
patient. In magnifying endoscopy with crystal violet staining, the lesion<br />
showed irregular microvessels and turned out to be poorly stained<br />
with predominantly non-structural pit pattern and a few roundish pits<br />
scattered on the surface. The histology revealed a poorly differentiated<br />
adenocarcinoma of the rectum invading the deep submucosal layer with<br />
negative lymphovascular invasion.<br />
Conclusions: In this case report, we presented a case of poorly<br />
differentiated colorectal adenocarcinoma detected at an early stage,<br />
showing interesting endoscopic findings in magnifying endoscopy with<br />
crystal violet staining.<br />
Keywords: Colorectal poorly differentiated adenocarcinoma, Magnifying<br />
endoscopy, Chromoendoscopy, De-novo colorectal cancer, Case report<br />
Background<br />
Colorectal poorly differentiated adenocarcinoma is rarely<br />
founded, especially in early-stage. Most cases are detected at an<br />
advanced stage. In contrast to differentiated adenocarcinoma,<br />
poorly differentiated adenocarcinoma often correlates with more<br />
aggressive biological behavior and is defined to be out-ofindication<br />
for endoscopic resection even in early-stage. Thus, the<br />
endoscopic diagnosis of poorly differentiated adenocarcinoma is<br />
important. Several endoscopic diagnostic classifications, including<br />
Kudo’s pit pattern classification, have been proposed and proved<br />
to distinguish colorectal cancer from non-neoplastic lesion or<br />
adenomas, as well as predict the depth of invasion in colorectal<br />
cancer. These diagnostic methods mostly focus on adenomas<br />
or differentiated adenocarcinomas. Perhaps due to its rarity,<br />
endoscopic features of early poorly differentiated colorectal cancer<br />
in magnifying endoscopy and chromoendoscopy haven’t been<br />
clarified. We here present a case of poorly differentiated colorectal<br />
cancer in the early-stage, showing specific findings in magnifying<br />
endoscopy with crystal violet staining.<br />
A 49-year-old man was referred to our hospital for endoscopic<br />
therapy of a lateral spread tumor (LST) in the rectum in December<br />
2019. At the previous hospital, biopsy histology showed high-grade<br />
intraepithelial neoplasia (HGIN). He had a three-week history of<br />
intermittent hematochezia. Family history for colorectal malignancy was<br />
negative. Physical examinations and routine laboratory tests revealed<br />
no abnormalities. Before resection, the patient underwent a magnifying<br />
chromoendoscopy examination. White-light endoscopy showed a<br />
superficially elevated lesion with slight depression in the central part,<br />
together with a reddish scar due to previous biopsy (Fig. 1A). The<br />
proximal part of the lesion presented with dense irregular microvessels<br />
in NBI mode (Fig. 1B). In magnifying endoscopy combined with 0.05%<br />
crystal violet staining, the proximal part showed irregular microvessels<br />
and turned out to be poorly stained with predominantly non-structural<br />
pit pattern, while the background mucosa showed regular Type-I pit<br />
patterns according to the Kudo’s classification (Fig. 1C). The distal part<br />
showed poorly stained with predominantly non-structural pit pattern,<br />
as well as a few small roundish pits scattered over the surface (Fig.<br />
1D). The demarcation line between the lesion and normal mucosa was<br />
clearly visible. The whole lesion was lifted after submucosal injection<br />
and then resected completely (Fig. 2A) through endoscopic submucosal<br />
dissection (ESD). Histology of the resected sample showed poorly<br />
differentiated adenocarcinoma invading into deep submucosal layer, with<br />
negative lymphovascular invasion and negative resection margin (Fig.<br />
2B–D). P53 Immunohistochemistry staining showed complete absence<br />
in the cancerous area, which was predictive of TP53 truncated mutation.<br />
The MMR and APC genes showed intact expression, and ß-catenin was<br />
expressed in the cellular membrane and cytoplasm (Fig. 3). KRAS gene<br />
mutation was conducted through Polymerase Chain Reaction (PCR)<br />
and also showed negative results. The patient then underwent additional<br />
surgery with lymph node dissection and final histology showed no<br />
residual tumor and no lymph node involvement. Follow-up surveillance<br />
colonoscopy and contrast enhanced computed tomography were<br />
performed for the patient in both the first year and second year after<br />
surgery. Neither local recurrence nor distant metastasis was detected<br />
over a two-year follow-up period.<br />
Discussion and conclusions<br />
Endoscopic resection is indicated for Tis or T1 tumors and<br />
pathological findings of unfavorable features including poorly<br />
differentiation and deep submucosal infiltration are considered to be<br />
non-curative [1]. Magnifying endoscopy with chemical dye staining<br />
is usually conducted for pre-resection assessment in these cases.<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
*Correspondence: zhujianhong1980@sina.com<br />
1<br />
Department of Gastroentorology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China<br />
2<br />
Department of Pathology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China.<br />
©The Author(s) <strong>2022</strong><br />
9
FEATURE<br />
Kudo’s pit pattern classification, which shows the relationship<br />
between pit patterns and histology, is accurate in differentiating<br />
neoplastic and non-neoplastic lesions and predicting tumor invasion<br />
depth. However, there has been no endoscopic diagnosing criteria<br />
in determining histologic type and tumor degree of differentiation<br />
for colorectal cancers. Reviewing the literature, we found a few<br />
case reports clarifying the endoscopic features of early-stage<br />
signet ring cell carcinoma in the colorectum [2,3,4]. To the best of<br />
our knowledge, there have been no reports on the magnifying nor<br />
the chromoendoscopic findings of poorly differentiated colorectal<br />
adenocarcinoma.<br />
Ohnita et al. [2] reported a primary signet ring cell carcinoma<br />
detected at an early stage. As they reported, the margin of the<br />
lesion showed IIIL and V I<br />
pit patterns, while the central part of the<br />
lesion showed V I<br />
pit pattern and dense mucus. Similar findings<br />
have been reported by Fu et al. [3]. As they explained, signet ring<br />
cells preferred to produce mucus so such lesions were difficult<br />
to stain and showed avascular areas. However, there was no<br />
obvious mucus in our case and the whole lesion was also difficult<br />
to stain using either indigo carmine or crystal violet. In our case,<br />
the histology revealed a large number of tumor cells overgrowing<br />
and loss of normal surface epithelium and crypt-like structure<br />
in the mucosal layer. These findings may explain why the lesion<br />
was poorly stained. In some histologic sections we observed a<br />
few normal glandular ducts surrounded by tumors cells (Fig. 2D),<br />
which was consistent with the scattered roundish pits, i.e., Type-I<br />
pit patterns in magnifying endoscopy. Minamide et al. [4] reported<br />
similar findings in colorectal signet ring cell carcinoma but the lesion<br />
was residual after cold snare polypectomy and the diagnosing<br />
information may be not adequate. In Kudo’s classification, Type V N<br />
pit-pattern refers to loss or decrease of pits with an amorphous<br />
structure and indicates invasive submucosal colorectal cancer.<br />
Usually, Type V N<br />
pit-pattern co-exists with Vi pit-pattern or scratch<br />
sign. The lesion in our case presented poorly stained feature with<br />
predominately non-structural pit pattern and a few roundish pits<br />
scattered on the surface. No obvious Vi pit-pattern or scratch sign<br />
was found. These features were different from those of typical Type<br />
V N<br />
pit-pattern in Kudo’s classification. We confused at the failing<br />
to stain the lesion in the beginning and we repeated several times<br />
and the outcomes turned out to be the same. Besides the poorly<br />
stained feature, the proximal part of the lesion showed irregular<br />
microvessels similar to corkscrew vessels which indicated poorly<br />
differentiated cancer in the stomach.<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
Fig. 1 A White light endoscopy revealed a lateral spread tumor in the rectum. B In near focus NBI mode, the proximal part of the lesion presented<br />
with dense irregular microvessels. C In magnifying endoscopy combined with 0.05% crystal violet staining, the proximal part of the lesion showed<br />
poorly stained with predominantly non-structural pit pattern, while the background mucosa showed regular Type-I pit patterns according to the<br />
Kudo’s classification. The demarcation line was clearly visible (white dotted line). D In magnifying endoscopy combined with 0.05% crystal violet<br />
staining, the distal part showed poorly stained with predominantly non-structural pit pattern and a few roundish pits (black arrow) scattered over<br />
the surface<br />
10
FEATURE<br />
Fig. 2 A The lesion was en bloc resected. B The specimen was sectioned at 2 mm intervals. C Histology showed poorly differentiated colorectal<br />
cancer with partial submucosal infiltration (black arrow). Stain: hematoxylin and eosin. D In some sections, histology showed a few normal glandular<br />
ducts (black arrow) surrounded by tumors cells, which is corresponding to the endoscopic feature, i.e., small roundish pits scattered over the surface<br />
This was the first time we encountered with early poorly<br />
differentiated colorectal cancer and due to the lack of adequate<br />
knowledge, we initially performed endoscopic submucosal<br />
dissection for the patient. Non-curative endoscopic treatment<br />
resulted in increases in time and cost and decreased patient’s<br />
satisfaction. From our case, we suppose that poorly stained<br />
features with predominantly non-structural pit pattern in magnifying<br />
endoscopy with crystal violet staining may be related to poorly<br />
differentiation and thus be inappropriate for endoscopic resection.<br />
More researches are needed to make a definite conclusion.<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
11
FEATURE<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
Fig. 3 Immunohistochemistry staining of the lesion<br />
At the same time, we also analyzed the molecular features of the<br />
lesion. Colorectal cancers are heterogenous at the genetic level and<br />
develop via accumulation of genetic molecular alterations, in which<br />
APC, KRAS, TP53 mutations are mostly founded. Several pathways<br />
have been proposed for the development and progression of colorectal<br />
cancer, including the widely accepted adenoma-carcinoma sequence,<br />
the serrated neoplasia pathway, and de-novo carcinogenesis [5].<br />
By definition, de-novo lesions are characterized by the lack of any<br />
adenomatous remnant. In our case, the lesion presented with<br />
nonpolypoid growth pattern and no adenomatous remnant was founded.<br />
12
FEATURE<br />
Immunohistochemical and molecular analysis of the lesion implied p53<br />
mutation, without any of APC, ß-catenin, or KRAS mutation. Thus, we<br />
suppose that the cancerous lesion in our case is associated with p53<br />
mutation, in accordance with molecular changes of de-novo colorectal<br />
cancers.<br />
of Pathology, The Second Affiliated Hospital of Soochow University,<br />
Suzhou, Jiangsu Province, China.<br />
Received: 6 August 2021 Accepted: 12 March <strong>2022</strong><br />
Published online: 28 March <strong>2022</strong><br />
Availability of data and materials<br />
All data generated or analysed during this study are included in this<br />
published article.<br />
Abbreviations<br />
LST: Lateral spread tumor; HGIN: High-grade intraepithelial neoplasia;<br />
NBI: Narrow band imaging; ESD: Endoscopic submucosal dissection;<br />
P53: Protein 53; TP53: Tumor protein 53; MMR: Mismatch repair<br />
proteins; MSH2: MutS homolog 2; MSH6: MutS homolog 6; MLH1:<br />
MutL homolog 1; PMS2: Postmeiotic segregation increased 2; APC:<br />
Adenomatous polyposis coli; KRAS: Kirsten rat sarcoma viral oncogene<br />
homolog; PCR: Polymerase chain reaction.<br />
Acknowledgements<br />
Not applicable.<br />
Authors’ contributions<br />
HL conducted this report and prepared the manuscript. JZ performed<br />
the colonoscopy and provided the endoscopic images. YL performed<br />
the histological examination and provided the histology images. All<br />
authors read and approved the final manuscript.<br />
References<br />
1. Shinagawa T, Tanaka T, Nozawa H, et al. Comparison of the<br />
guidelines for colorectal cancer in Japan, the USA and Europe. Ann<br />
Gastroenterol Surg. 2017;2(1):6–12.<br />
2. Ohnita K, Isomoto H, Akashi T, et al. Early stage signet ring cell<br />
carcinoma of the colon examined by magnifying endoscopy with<br />
narrow-band imaging: a case report. BMC Gastroenterol. 2015;15:86.<br />
3. Fu KI, Sano Y, Kato S, et al. Primary signet-ring cell carcinoma of the<br />
colon at early stage: a case report and a review of the literature. World<br />
J Gastroenterol. 2006;12:3446–9.<br />
4. Minamide T, Shinmura K, Ikematsu H, et al. Early-stage primary signet<br />
ring cell carcinoma of the colon with magnifying endoscopic findings.<br />
Gastrointest Endosc. 2019;90:529–31.<br />
5. Papagiorgis PC, Zizi AE, Tseleni S, et al. Clinicopathological differences<br />
of colorectal cancers according to tumor origin: identification of possibly<br />
de novo lesions. Biomed Rep. 2013;1:97–104.<br />
Publisher’s Note<br />
Springer Nature remains neutral with regard to jurisdictional claims in<br />
published maps and institutional affiliations.<br />
ScheBo_Gastro<strong>Today</strong> 29/04/<strong>2022</strong><br />
Funding<br />
This work was supported by the Doctoral Program Foundation of<br />
the Second Affiliated Hospital of Soochow University (Grant No.<br />
SDFEYJBS2102), the Scientific Research Foundation of the Second<br />
Affiliated Hospital of Soochow University (Grant No. SDFEYQN1811),<br />
and the discipline construction and support project of the Second<br />
Affiliated Hospital of Soochow University (Grant No. XKTJ-JD202006).<br />
Funding enabled immunohistochemical and genetic analysis of the<br />
resected sample. The funder did not influence the collection and analysis<br />
of data, the decision to publish and the writing of the manuscript.<br />
Availability of data and materials<br />
All data generated or analysed during this study are included in this<br />
published article.<br />
Declarations<br />
Ethics approval and consent to participate<br />
Not applicable.<br />
Consent for publication<br />
Written informed consent was obtained from the patient for publication<br />
of this case report and any accompanying images.<br />
Competing interests<br />
The authors declare that they have no competing interests.<br />
Author details<br />
1<br />
Department of Gastroentorology, The Second Affiliated Hospital of<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
Soochow University, Suzhou, Jiangsu Province, China. 2 Department<br />
13
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FEATURE<br />
POSTPOLYPECTOMY FEVER IN<br />
PATIENTS WITH SERIOUS INFECTION:<br />
A REPORT OF TWO CASES<br />
Wang Jing 1† , Li Qinghua 1† and Yang Zhiwen 2*<br />
Jing et al. BMC <strong>Gastroenterology</strong> (<strong>2022</strong>) 22:156 https://doi.org/10.1186/s12876-022-02218-9<br />
Abstract<br />
Background<br />
Postpolypectomy fever (PPF) is a rare complication in patients after<br />
colonoscopy. Because of the absence of evidence of microperforation<br />
and abdominal tenderness, patients with PPF usually present mild<br />
clinical symptoms with a good prognosis.<br />
Case presentation<br />
In this study, all patients who underwent colonoscopic examination in our<br />
hospital between January 2019 and December 2019 were enrolled. Of<br />
these, two patients developed PPF after polypectomy, exhibiting serious<br />
infection without definitive fever foci. One patient experienced rapidly<br />
aggravated type 1 respiratory failure and abnormal hepatic function, which<br />
were attributed to colonoscopy-associated infection. After active antibiotic<br />
therapy, both patients were discharged without any complications.<br />
Conclusions<br />
In summary, our study provides novel insights into patients with PPF<br />
who develop serious infections with life-threatening complications.<br />
Keywords<br />
Postpolypectomy fever, Serious infection, Diagnose, Therapy, Patient<br />
Background<br />
overlooked in clinical practice, owing to the absence of typical peritoneal<br />
irritation and definitive fever foci. Thus, our report should aid in timely<br />
diagnosis and appropriate therapy for patients with PPF.<br />
Case presentation<br />
Case selection, procedures, and definitions<br />
In 2019, 12,000 patients underwent colonoscopic examination in our<br />
hospital, and approximately 2000 patients with gastrointestinal polyps<br />
received painless endoscopic treatment. These cases of colonoscopies<br />
were performed in the outpatient and inpatient setting. All colonoscopies<br />
were elective, not urgent. Patients who received polypectomy were<br />
admitted to the hospital for about 2–3 days. Two patients after<br />
colonoscopy met the inclusion criteria with a high fever up to 39.0 °C in<br />
1–2 h, and the leukocytes, C-reactive protein (CRP) and procalcitonin<br />
(PCT) increased significantly with signs of infection [5,6,7]. They were a<br />
health state at admission, without any signs of fever, abdominal pain,<br />
cough, frequent urination, infection or other discomfort. The results<br />
of routine analyses of the blood, urine and feces were normal, and no<br />
signs of infection were observed on chest ` abdominal CT. The patients<br />
developed serious infections after polypectomy during hospitalization.<br />
Physical and radiographic examination did not show evidence of<br />
perforation, hemorrhage, abdominal tenderness or localized peritoneal<br />
inflammation. No evidence of other explainable fever foci other than<br />
colonoscopic polypectomy was identified.<br />
Colonoscopy is widely used in clinical practice, although serious<br />
complications may result from colonoscopic polypectomy [1, 2]. These<br />
serious complications are inherent to the procedure and occur at low<br />
incidence during colonoscopy. Hemorrhage and perforation, the most<br />
feared complications, occur in ≤ 0.3% and 0.3–0.6% [3, 4], respectively.<br />
Postpolypectomy electrocoagulation syndrome (PPCS), a rare<br />
complication, ranges from 0.07 to 1.0% [3, 4].<br />
Here, we report the cases of two patients who developed PPF after<br />
colonoscopy, and experienced new-onset fever without localized<br />
peritoneal signs or definitive fever foci. Aggravated serious infectious<br />
symptoms were present with a high fever up to 39.0 °C in 1–2 h after<br />
operation, and the patients received further therapy in the general<br />
intensive care unit (GICU). As reported previously, patients with PPF<br />
generally present mild clinical symptoms with good prognosis. To our<br />
knowledge, this is the first report of patients with PPF developing serious<br />
infections with life-threatening complications. Additionally, PPF is easily<br />
Patients with postpolypectomy bleeding, microperforation, abdominal<br />
tenderness, localized peritoneal inflammation and infection associated<br />
with definitive fever foci other than colonoscopic polypectomy were<br />
excluded.<br />
All colonoscopic polypectomies were performed with standard<br />
colonoscopes (CF-H260AL; Olympus Optical Co., Ltd., Tokyo, Japan).<br />
Patients were slowly intravenously injected with propofol. Patients who<br />
received polypectomy operation were admitted to the hospital for about<br />
2–3 days.<br />
Patient 1<br />
The first case was in a 50-year-old man without a notable past history,<br />
who was diagnosed with multiple colorectal polyps. Four polyps were<br />
found: three flat polyps with a diameter of 2–5 mm in the sigmoid colon<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
*Correspondence: yangzhiwen2009@sina.com † Wang Jing and Li Qinghua have contributed equally to this work<br />
1<br />
Department of <strong>Gastroenterology</strong>, Songjiang District Central Hospital, Shanghai, China 2 Department of Pharmacy, Songjiang District Central Hospital, Shanghai 201600, China<br />
©The Author(s) <strong>2022</strong><br />
15
FEATURE<br />
(Fig. 1A, B) and a flat polyp with a diameter of 4 mm in the rectum<br />
(Fig. 1C). He underwent colonoscopy with cold biopsy of a 4 mm rectal<br />
polyp (Fig. 1D), and the colorectal polyps were confirmed pathologically.<br />
Two hours after the operation, the patient developed a high fever<br />
up to 39.4 °C. Laboratory examinations revealed elevated infection<br />
indices, such as PCT 44.52 ng/mL, CRP 40.48 mg/L, white blood<br />
cell count (WBC) 17.3 × 10 9 /L and neutrophils 95.4%. The result of<br />
CT scan showed pleural effusion in lung (Fig. 2 A and B). No evidence<br />
of other explainable fever foci was found, and no microorganisms<br />
were found in blood cultures. Because of the serious colonoscopyassociated<br />
infection, the patient was transferred to the GICU and<br />
treated with antibiotic combined therapy consisting of meropenem<br />
(1.0 g administered intravenously every 12 h) and metronidazole (0.5 g<br />
administered intravenously every 12 h). His fever subsided within 1 day,<br />
thus indicating that the antibiotic therapy was effective. Eventually, the<br />
patient was discharged without any complications.<br />
Fig. 1 Colonoscopic examination of a 50-year-old man. A A flat<br />
polyp with a diameter of 3 mm in the sigmoid colon. B Two flat<br />
polyps with diameters of 3–5 mm in the sigmoid colon. C A flat polyp<br />
with a diameter of 4 mm in the rectum; D Rectal biopsy<br />
Patient 2<br />
The second case was in a 72-year-old woman with a history of<br />
hypertension and fatty liver, who underwent a colonoscopy that revealed<br />
13 polyps: four flat polyps with a diameter of 2–3 mm in the ileocecal part<br />
(Fig. 3A), a 4 mm papillary polyp in the liver flexure of the colon (Fig. 3B),<br />
a 3 mm flat polyp in the transverse colon (Fig. 3C) and seven flat polyps<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
Fig. 2 chest and abdominal CT before and after colonoscopy. A Chest CT of a 50-year-old man. Normal CT before colonoscopy, but abnormal CT<br />
with pleural effusion after colonoscopy. B Abdominal CT of a 50-year-old man. Normal CT before and after colonoscopy. C Chest CT of a 72-year-old<br />
woman. Normal CT before colonoscopy, but abnormal CT with pleural effusion after colonoscopy. D Abdominal CT of a 72-year-old woman.<br />
Normal CT before colonoscopy, but abnormal CT with exudation in pancreas tail after colonoscopy<br />
16
FEATURE<br />
with diameters of 2–5 mm in the sigmoid colon (Fig. 3D). The colorectal<br />
polyps confirmed pathologically were resected by argon plasma<br />
coagulation (APC) under the condition of strong electrocoagulation<br />
2, 40 W APC power, and 0.8–1.2 L/min argon gas flow (APC ® 2 and<br />
electric generator vio ® 200D; ERBE Company, Tuebingen, German). One<br />
hour after the operation, the patient suddenly developed a high fever<br />
of 39.0°C, without cough, expectoration or abdominal pain. On the<br />
morning of the second day, the patient’s body temperature continued<br />
to rise to 40.0°C, Physical examination findings for the abdomen were<br />
negative, without evidence of intestinal perforation and hemorrhage.<br />
There was no abnormalities in routine urine examination, and no<br />
bacterial growth in blood culture examination. Laboratory examinations<br />
revealed 18.48 × 10 9 /L WBC, 96.1% neutrophils, more than 100.0 ng/<br />
mL procalcitonin, 68.24 mg/L CRP. The result of CT scan showed<br />
pleural effusion in lung and exudation in pancreas tail (Fig. 2 C and D).<br />
Of note, the patient’s illness rapidly worsened, and she was transferred<br />
to the GICU, with poor gas analysis (PH7.384, PCO2 34.8 mmHg, PO2<br />
42.1 mmHg) and abnormal hepatic function results (ALT 145.9U/L, AST<br />
256.5U/L, r-GT 215U/L). After consultation with doctors, the patient’s<br />
symptoms, including type 1 respiratory failure and abnormal hepatic<br />
functions, were attributed to a colonoscopy-associated infection with<br />
subsequent gut bacterial translocation. The patient received intravenous<br />
therapy consisting of 1.0 g of vancomycin every 12 h for 3 days, and<br />
1.0 g of imipenem/cilastatin every 8 h for 5 days. After 2 days of therapy,<br />
her body temperature normalized. The patient’s gas analysis (PH7.439,<br />
PCO 2<br />
33.9 mmHg, PO 2<br />
93.3 mmHg) and liver function (ALT 27.74U/L,<br />
AST 20.99U/L, r-GT 67.79U/L) also recovered normally. Eventually, she<br />
was discharged without any complications.<br />
Discussion and conclusions<br />
In previously published reports, PPF has been considered a rare<br />
complication of colonoscopic polypectomy with slight clinical<br />
symptoms and good prognosis [5, 8]. To our knowledge, this study<br />
is the first report of patients with PPF presenting serious infectious<br />
symptoms leading to life-threatening complication, and rapid<br />
deterioration to type 1 respiratory failure and abnormal hepatic<br />
function. After antibiotic therapy, the patient condition rapidly<br />
recovered.<br />
Fig. 3 Colonoscopic examination of a 72-year-old woman. A Four<br />
flat polyps with diameters of 2–3 mm in the ileocecal part. B A 4 mm<br />
papillary polyp in the liver flexure of the colon. C A 3 mm flat polyp in<br />
the transverse colon. D Seven flat polyps with diameters of 2–5 mm<br />
in the sigmoid colon<br />
Seven patients were previously reported to develop PPF after<br />
colonoscopic polypectomy, of which four cases had a polyp<br />
diameter ≥ 2 cm, one case had a polyp 10–30 mm in diameter, and<br />
two cases had no polyps [5]. The median initial time of fever after<br />
polypectomy was approximately 7 h, and the median fever duration<br />
was approximately 9 h [5]. The seven patients with PPF had slight<br />
clinical symptoms with a good prognosis after antibiotic therapy [5].<br />
CRP, a critical infection index, did not increase within 24 h [5]. In<br />
contrast to these cases, three exceptional findings in our study were<br />
observed. First, severe infection in patients with PPF was found,<br />
thus resulting in type 1 respiratory failure and abnormal hepatic<br />
function. Second, the patients with PPF had relatively smaller polyps<br />
of 2–5 mm in diameter. Third, CRP and PCT were significantly<br />
elevated within several hours.<br />
Lee et al. further discussed three possible mechanisms of PPF<br />
[5, 8]. The first is that PPF may be a mild form of PPCS that<br />
develops by transmural burn. With the exception of abdominal<br />
tenderness, PPF is similar in terms other clinical symptoms and<br />
risk factors to PPCS. Notably, transmural burn in the colon wall<br />
is significant in both PPF and PPCS, thus suggesting that both<br />
might be generated by the same mechanism. PPF and PPCS are<br />
initiated by different degrees of transmural burn, with or without<br />
actual intestinal perforation. The second is that gut bacteria may<br />
translocate to the bloodstream via mucosal wounds during the<br />
colonoscopic procedure. The incidence of transient bacteremia was<br />
approximately 4% within 10 min after polypectomy. Contamination<br />
by enteric bacteria is inevitable, even when a disinfected colonoscope,<br />
sterile needles and sterile injection fluid are used during colonoscopy [9-<br />
11]. For instance, the propofol formulation for intravenous administration<br />
may be a possible contamination factor [12]. The third is that PPF may<br />
be attributable to an inflammatory mechanism other than infection.<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
17
FEATURE<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
In general, polyps induce an inflammatory microenvironment<br />
with inflammatory cell infiltration and elevated proinflammatory<br />
cytokines, such as IL-6 and TNF-α. Thus, determining whether the<br />
patients with PPF developed fever because of the colonoscopy or the<br />
polypectomy itself is difficult.<br />
As previously reported, seven patients developed PPF, of which two<br />
cases had no polyps, and one case had polyps 10–30 mm in diameter<br />
[5]. This finding suggests that colonoscopic examination without<br />
colonoscopic polypectomy also affects the intestinal bacteria or causes<br />
minimal intestinal-barrier damage. The patients with PPF in our study<br />
had multiple relatively small polyps (2–5 mm in diameter), in contrast<br />
to the previously reported findings. Although the causes of PPF are<br />
complicated, we believe that gut bacteria are translocated to the<br />
bloodstream via mucosal wounds.<br />
PPCS, a rare and serious complication of colonoscopic polypectomy,<br />
results from an electrocoagulation injury to the bowel wall during<br />
polypectomy, which induces a transmural burn and localized peritoneal<br />
inflammation without clinical evidence of perforation on radiographic<br />
examination [13]. Within hours to 5 days after colonoscopic<br />
polypectomy, patients develop fever and other symptoms, including<br />
leukocytosis, localized abdominal pain and localized peritoneal signs.<br />
In summary, this study may increase clinical awareness regarding PPF<br />
after colonoscopy. Early recognition and antibiotic therapy are critical,<br />
which can improve patient prognosis and avoid severe outcomes.<br />
Abbreviations<br />
PPF: Postpolypectomy fever; PPCS: Postpolypectomy<br />
electrocoagulation syndrome; GICU: General intensive care unit; CRP:<br />
C-reactive protein; PCT: Procalcitonin; WBC: White blood cell count;<br />
APC: Argon plasma coagulation.<br />
Acknowledgements<br />
This study was supported by all physicians in the Department of<br />
<strong>Gastroenterology</strong>, Songjiang District Central Hospital, Shanghai, China.<br />
We thank International Science Editing for editing this manuscript.<br />
Authors’ contributions<br />
JW and QL designed the study. ZY analyzed data and wrote the<br />
manuscript. All authors have read and approved the final manuscript.<br />
Funding<br />
This case report was supported by Shanghai Municipal Health<br />
Bureau (201940471) and Shanghai Songjiang Science & Technology<br />
Commission (2017sjkjgg50), which supported data collection, analysis<br />
and manuscript writing.<br />
Availability of data and materials<br />
All information about the patient come from department of<br />
<strong>Gastroenterology</strong>, Songjiang District Central Hospital. The data used and<br />
analyzed during the current study are included in this article.<br />
Declarations<br />
Ethics approval and consent to participate<br />
Not applicable.<br />
Consent for publication<br />
The two patients gave written consent for their personal or clinical<br />
details along with any identifying images to be published in this study.<br />
Competing interests<br />
The authors declare no conflicts of interest.<br />
Author details<br />
1<br />
Department of <strong>Gastroenterology</strong>, Songjiang District Central Hospital,<br />
Shanghai, China. 2 Department of Pharmacy, Songjiang District Central<br />
Hospital, Shanghai 201600, China.<br />
Received: 8 October 2021 Accepted: 16 March <strong>2022</strong><br />
Published online: 29 March <strong>2022</strong><br />
References<br />
1. Barua I, Vinsard DG, Jodal HC, Løberg M, Kalager M, Holme Ø, et<br />
al. Performance of artificial intelligence in colonoscopy for adenoma<br />
and polyp detection: a systematic review and meta-analysis.<br />
Gastrointest Endosc. 2021;93(1):277–85.<br />
2. Benazzato L, Zorzi M, Antonelli G, Guzzinati S, Hassan C, Fantin<br />
A, et al. Colonoscopy-related adverse events and mortality in an<br />
Italian organized colorectal cancer screening program. Endoscopy.<br />
2021;53(5):501–8.<br />
3. Watabe H, Yamaji Y, Okamoto M, Kondo S, Ohta M, Ikenoue T, et<br />
al. Risk assessment for delayed hemorrhagic complication of colonic<br />
polypectomy: polyp-related factors and patient-related factors.<br />
Gastrointest Endosc. 2006;64(1):73–8.<br />
4. Arora G, Mannalithara A, Singh G, Gerson LB, Triadafilopoulos<br />
G, et al. Risk of perforation from a colonoscopy in adults: a large<br />
population-based study. Gastrointest Endosc. 2009;69(3 Pt<br />
2):654–64.<br />
5. Lee SH, Kim KJ, Yang DH, Jeong KW, Ye BD, Byeon JS, et al.<br />
Postpolypectomy fever, a rare adverse event of polypectomy:<br />
nested case-control study. Clin Endosc. 2014;47(3):236–41.<br />
6. Waye JD, Lewis BS, Yessayan S. Colonoscopy: a prospective report<br />
of complications. J Clin Gastroenterol. 1992;15(4):347–51.<br />
7. Waye JD, Kahn O, Auerbach ME. Complications of colonoscopy<br />
and flexible sigmoidoscopy. Gastrointest Endosc Clin N Am.<br />
1996;6(2):343–77.<br />
8. Kim HW. What is different between postpolypectomy fever<br />
and postpolypectomy coagulation syndrome? Clin Endosc.<br />
2014;47(3):205–6.<br />
9. Levy MJ, Norton ID, Clain JE, Enders FB, Gleeson F, Limburg PJ,<br />
et al. Prospective study of bacteremia and complications with EUS<br />
FNA of rectal and perirectal lesions. Clin Gastroenterol Hepatol.<br />
2007;5(6):684–9.<br />
10. Low DE, Shoenut JP, Kennedy JK, Sharma GP, Harding GK, Den<br />
Boer B, et al. Prospective assessment of risk of bacteremia with<br />
colonoscopy and polypectomy. Dig Dis Sci. 1987;32(11):1239–43.<br />
11. Nelson DB. Infectious disease complications of GI endoscopy: part<br />
II, exogenous infections. Gastrointest Endosc. 2003;57(6):695–711.<br />
12. Rex DK, Deenadayalu V, Eid E. Gastroenterologist-directed propofol:<br />
an update. Gastrointest Endosc Clin N Am. 2008;18(4):717–25.<br />
13. Kus J, Haque S, Kazan-Tannus J, Jawahar A. Postpolypectomy<br />
coagulation syndrome—an uncommon complication of<br />
colonoscopy. Clin Imaging. 2021;79:133–5.<br />
Publisher’s Note<br />
Springer Nature remains neutral with regard to jurisdictional claims in<br />
published maps and institutional affiliations.<br />
18
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of mucosal damage from AG, or gastroscopy, an invasive<br />
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The recent guidelines from the British Society of<br />
<strong>Gastroenterology</strong> (BSG) recommend that the key to early<br />
cancer detection is to non-invasively detect pre-cancerous<br />
conditions before endoscopy. However, the current diagnostic<br />
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The GastroPanel Quick Test is a cost-effective method that helps<br />
to improve the management of patients with gastrointestinal<br />
problems. Importantly, it bridges the gap in the diagnostic<br />
pathway, potentially identifying pre-neoplastic conditions in<br />
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care by only referring patients in the higher risk category. This<br />
could lead to more gastric cancers being detected at an earlier,<br />
more curable stage, while at the same time reducing both the<br />
cost and volume burden on healthcare resources.<br />
The GastroPanel Quick Test is now available in the UK. For more<br />
information visit our website biohithealthcare.co.uk or see us in<br />
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The GastroPanel ® Quick Test is a non-invasive blood test<br />
that investigates H. pylori infection and measures three<br />
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clinical information compared to an H. pylori test alone. It<br />
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NEWS<br />
The debilitating gut<br />
condition affecting<br />
thousands of women<br />
New resources published today by Guts UK<br />
to raise awareness of microscopic colitis<br />
show that women are 700% more likely<br />
than men to suffer with the condition.<br />
The charity is calling for more research to<br />
determine the reasons behind this gender<br />
disparity in the hope it will lead to prevention,<br />
faster diagnoses and developments in<br />
treatments.<br />
Microscopic colitis is an inflammation of the<br />
large intestine (bowel) that causes persistent,<br />
frequent and watery diarrhoea (throughout the<br />
day and night), stomach pain, fatigue, faecal<br />
incontinence and weight loss. The charity has<br />
chosen to create specific resources for women<br />
as part of Microscopic Colitis Awareness Week<br />
after research has shown that 87.5% of people<br />
suffering with the condition are female - most<br />
of whom are diagnosed between the ages of<br />
50 and 70. [1] [2]<br />
Microscopic colitis is a leading cause of<br />
diarrhoea in older adults and it can have a<br />
devastating impact on a person’s quality of life.<br />
Scientists estimate that around 67,200 people<br />
are living with microscopic colitis in the UK.<br />
[3] [4]<br />
Patients often find it difficult to manage<br />
jobs, socialise, travel and take part in family<br />
life because of the urgent nature of their<br />
symptoms and their need to be near to toilet<br />
facilities at all times. Coping with this often<br />
leaves sufferers feeling very isolated and can<br />
have a significant and detrimental effect on<br />
their mental wellbeing.<br />
Many people suffer for years with microscopic<br />
colitis but the correct diagnosis and treatment<br />
can make a huge and dramatic difference to a<br />
person’s quality of life.<br />
Julie, aged 42 from Sidcup in Kent, was<br />
diagnosed with microscopic colitis in 2020.<br />
Julie said:<br />
“The symptoms of microscopic colitis are<br />
awful. I experienced crippling stomach pain,<br />
nausea as well as watery diarrhoea which<br />
lasted for several weeks and only stopped<br />
when I was diagnosed and began a treatment<br />
of steroids. It all had a massive impact on<br />
mental health since this was during lockdown<br />
and I worried about what could be wrong.<br />
“It’s a very isolating condition and I can<br />
understand why it’s called a hidden disability.<br />
It’s been over a year since I was diagnosed<br />
and I’m still having flare-ups. I am constantly<br />
thinking about what I am eating and when I<br />
am out where the nearest facilities are - it’s<br />
exhausting.”<br />
At least 1 in 1,000 people are thought to have<br />
microscopic colitis in the UK with 17,000 new<br />
cases being diagnosed each year, but the real<br />
number could be a lot higher because it’s often<br />
underreported and misdiagnosed.[5] [6] One<br />
study showed that one in three patients<br />
with microscopic colitis were initially<br />
incorrectly diagnosed with Irritable Bowel<br />
Syndrome. [7] It is also a growing disease and<br />
the number of patients diagnosed has been<br />
increasing over the past 20 years. [8]<br />
Microscopic colitis is named because, unlike<br />
other inflammatory bowel diseases (IBD), like<br />
Crohn’s disease or ulcerative colitis, it can’t<br />
be diagnosed with a colonoscopy alone and a<br />
sample of tissue taken from the bowel must be<br />
examined under a microscope to identify the<br />
condition. However, once confirmed, treatment<br />
with prescribed medicine (a steroid called<br />
budesonide) is available and has shown to be<br />
very effective and often life-changing. [9]<br />
The causes of microscopic colitis and the<br />
reason it affects women disproportionately<br />
are still unclear. As it is a relatively new<br />
disease (first described in 1976) it has led<br />
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NEWS<br />
to a presumption that it is environmental<br />
as opposed to genetic factors that are<br />
responsible for its occurrence. [10]<br />
have to, so my main message this Microscopic<br />
Colitis Awareness Week is don’t suffer in<br />
silence and seek help from your GP if you’re<br />
experiencing symptoms.”<br />
[10] https://www.ncbi.nlm.nih.gov/pmc/<br />
articles/PMC8776530/#B4<br />
[11] Lansoprazole and omeprazole are the<br />
most commonly known.<br />
Prior studies have suggested that a range of<br />
medications including proton pump inhibitors<br />
(PPIs) - which are used to reduce stomach<br />
acid [11], nonsteroidal anti-inflammatory drugs<br />
such as ibuprofen, statins, antidepressants,<br />
aspirin, and beta blockers may be associated<br />
with the disease as well as cigarette smoking<br />
and a co-diagnosis of an auto-immune<br />
disease. [12] [13]<br />
What is clear is that women are at substantially<br />
higher risk of having microscopic colitis<br />
than men. [14] Despite this marked gender<br />
discrepancy, the literature on reproductive<br />
and hormonal factors is very limited. Some<br />
scientists have hypothesised that there is a<br />
link with microscopic colitis and the use of<br />
oral contraceptive pills and HRT [15] but more<br />
research is needed for this to be conclusive.<br />
Julie Harrington, CEO of Guts UK, said:<br />
“Thousands of people across the country are<br />
quite literally housebound with symptoms of<br />
microscopic colitis and we now know that<br />
the rates are increasing and are likely to grow<br />
further as the population ages.<br />
“Further research is desperately needed to<br />
identify risk factors and find out why women<br />
are far more likely to suffer from microscopic<br />
colitis so we can move to a place where<br />
prevention and faster diagnosis is possible.<br />
“In the meantime, I hope that this year’s<br />
Microscopic Colitis Awareness Week will raise<br />
awareness of this extremely difficult condition<br />
and that sufferers discover the simple<br />
treatments that can make a huge and dramatic<br />
difference to their quality of life.”<br />
Professor Shaji Sebastian, Consultant<br />
Gastroenterologist at Hull University Teaching<br />
Hospitals NHS Trust and Guts UK trustee added:<br />
“Scientists still don’t fully understand what<br />
causes microscopic colitis and further research<br />
is clearly needed to determine what could be a<br />
combination of factors.<br />
“What we do know is that the condition can<br />
be very debilitating but with the right tests it’s<br />
also very treatable. Early diagnosis is crucial to<br />
prevent patients from suffering when they don’t<br />
Julie from Sidcup added:<br />
“There is very little awareness of microscopic<br />
colitis, but I am sure there are many people<br />
suffering with it without knowing. My<br />
message for anyone with symptoms is that<br />
if you feel that things aren’t quite right and<br />
you’re struggling to get a diagnosis then<br />
persevere and push for an appointment with<br />
a gastroenterologist. The treatments available<br />
can certainly improve symptoms.”<br />
Anyone experiencing symptoms is advised<br />
to see their GP, contact Guts UK for more<br />
information or visit gutscharity.org.uk<br />
#MicroscopicColitisAwareness<br />
[1] 7:1 female to male meaning 87.5%<br />
of people with the condition are<br />
women and women are 700x more<br />
likely to have the condition than men:<br />
https://drive.google.com/drive/u/2/<br />
folders/1LxFK0CEv_1JqSLrfg-Vp7p179T_<br />
hxYBP - Other studies have said it may<br />
be as high as 9:1.<br />
[2] https://gutscharity.org.uk/advice-andinformation/conditions/microscopiccolitis-2/<br />
[3] https://www.ncbi.nlm.nih.gov/pmc/<br />
articles/PMC8776530/<br />
[4] Aprox. 67,222 people are living with<br />
Microscopic Colitis in the UK - around<br />
59,000 women and 8,000 men.<br />
[5] https://www.crohnsandcolitis.org.uk/<br />
about-crohns-and-colitis/publications/<br />
microscopic-colitis<br />
[6] Tong J et al. Am J Gastroenterol 2015;<br />
110(2): 265-76. Office for National<br />
Statistics. Statistical Bulletin: 26 June<br />
2019.https://pubmed.ncbi.nlm.nih.<br />
gov/25623658/<br />
[7] Limsui D et al. Inflamm Bowel Dis 2007:<br />
13(2): 175-81 https://www.ncbi.nlm.nih.<br />
gov/pmc/articles/PMC4754103/<br />
[8] Münch A, Aust D, Bohr J, Bonderup O,<br />
Fernández Bañares F, Hjortswang H, et<br />
al. Microscopic colitis: current status,<br />
present and future challenges: statements<br />
of the European Microscopic Colitis<br />
Group. J Crohns Colitis (2012) 6(9):932–<br />
45. doi:10.1016/j.crohns.2012.05.014<br />
PubMed Abstract | CrossRef Full Text |<br />
Google Scholar<br />
[9] https://gutscharity.org.uk/advice-andinformation/conditions/microscopiccolitis-2/<br />
[12] https://www.ncbi.nlm.nih.gov/pmc/<br />
articles/PMC8776530/<br />
[13] https://www.crohnsandcolitis.org.uk/<br />
about-crohns-and-colitis/publications/<br />
microscopic-colitis<br />
[14] Weimers P, Ankersen DV, Lophaven S,<br />
Bonderup OK, Münch A, Løkkegaard<br />
ECL, Burisch J, Munkholm P. Incidence<br />
and prevalence of microscopic colitis<br />
between 2001 and 2016: A Danish<br />
nationwide cohort study. J Crohns Colitis.<br />
2020 [PubMed] [Google Scholar]<br />
[15] https://www.ncbi.nlm.nih.gov/pmc/<br />
articles/PMC8776530/<br />
Health care professionals<br />
urged to ‘think EOE’ for<br />
patients suffering from<br />
dysphagia or food bolus<br />
obstruction<br />
An easily treatable, upper GI condition<br />
which causes dysphagia and food bolus<br />
obstruction, is going undiagnosed,<br />
sometimes for years, 1 leaving thousands of<br />
sufferers needlessly living with significant<br />
discomfort, anxiety and embarrassment.<br />
Additionally, Eosinophilic Oesophagitis<br />
(EoE) is known to be the most common<br />
single reason for attendance at A&E for<br />
food bolus obstruction removal. 2 Yet<br />
despite this, EoE - which is believed to<br />
affect around 23,500 people in the UK 2 –<br />
takes on average up to eight years to be<br />
diagnosed. 3<br />
Now the UK charity EOS Network is running<br />
a clinical and public awareness campaign<br />
urging both the general public and healthcare<br />
professionals, in particular A & E doctors and<br />
nurses, GPs and practice nurses, to ‘Think<br />
EoE’. During the Awareness Week, volunteers<br />
will be visiting GP surgeries with patient leaflets<br />
and posters whilst the EOS Network clinical<br />
community are being encouraged to put up<br />
‘Think EoE’ posters in their staffrooms.<br />
Eosinophilic Oesophagitis (EoE) is an immunemediated<br />
disease, most probably caused by<br />
food allergies or other environmental ‘triggers’<br />
which occurs in the upper gut or oesophagus.<br />
(SEE NOTES BELOW AND MEDIA PACK).<br />
This results in inflammation of the mucosa in<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
23
NEWS<br />
the oesophagus which, if left untreated, can<br />
lead to oesophageal remodelling including the<br />
formation of furrows leading to strictures. In turn<br />
this creates the difficulties with swallowing food.<br />
Sufferers of Eosinophilic Oesophagitis (EoE) will<br />
typically have a history of ‘slow eating,’ drinking<br />
lots of water whilst eating and avoiding tough,<br />
chewy or starchy foodstuff such as meat, rice<br />
and bread. They are often labelled ‘fussy eaters’<br />
and may avoid social eating occasions for fear<br />
of choking, coughing or retching in public.<br />
EoE was identified as a disease in the 1990s,<br />
yet many primary care physicians are still<br />
unaware of the condition, often mistaking it<br />
for GORD (gastro-oesophageal reflux disease)<br />
or dyspepsia, 4 whilst patients admitted to<br />
A&E with food bolus obstruction will typically<br />
be referred back to their GP rather than to a<br />
gastroenterologist.<br />
An EoE diagnosis requires 6 biopsies taken<br />
from at least 2 sites in the oesophagus to<br />
specifically count the number of eosinophils<br />
present. Yet whilst diagnosis is relatively<br />
straightforward, lack of clinical awareness<br />
means that opportunities are often missed,<br />
and the patient can spend years going<br />
between GP and hospital in a search for the<br />
cause of their discomfort. Some patients have<br />
even been told that the condition is caused by<br />
psychological issues.<br />
‘Whether it is at primary care level, at A&E<br />
or even during referral to a gastroenterology<br />
department, far too many of our members<br />
are reporting years of missed opportunities<br />
for diagnosis at every step of their disease<br />
journey,’ explains Amanda Cordell, CEO of the<br />
EOS Network.<br />
‘Therefore, it is extremely important that we<br />
improve the awareness of this condition<br />
amongst not just the public, but healthcare<br />
professionals too.’<br />
‘EoE has a considerable impact on the quality<br />
of life and the self-esteem of patients,’ explains<br />
Professor Stephen Attwood, Consultant<br />
Surgeon and Honorary Professor at Durham<br />
University, and one of the first doctors to<br />
identify and highlight the condition. ‘Not only<br />
do many develop adaptive eating strategies<br />
such as prolonged chewing, drinking copious<br />
amounts of liquids and avoiding certain foods,<br />
they also dread social situations and even<br />
eating with the families. Adults can be labelled<br />
as having psychological eating disorders whilst<br />
young children often fail to thrive and can suffer<br />
from malnutrition.<br />
‘Therefore, it is vital that there is greater<br />
general and clinical awareness of the<br />
condition. A key message for clinicians<br />
has to be that any patient who presents<br />
with pain on eating or feeling that food is<br />
sticking in the throat – especially if they<br />
have a history of allergic illnesses such as<br />
rhinitis asthma and eczema – should be<br />
referred for biopsies with a specific request<br />
to look for eosinophils. On diagnosis the<br />
gastroenterologist and patient should<br />
discuss the treatment options. These may<br />
include dietary exclusions - although these<br />
can often be difficult to maintain - PPIs<br />
that are effective for some patients or a<br />
topical steroid delivered directly to the site<br />
of inflammation that has been shown to<br />
maintain clinical and pathologic remission<br />
for 48 weeks in many patients. All patients<br />
need follow up and a long term care plan to<br />
manage this chronic disease.’<br />
Amanda Cordell comments ‘Our aim is to<br />
ensure that patients are empowered with<br />
information to take to their clinicians and that<br />
clinicians in all specialities are aware of EoE<br />
so that they recognise the symptoms reported<br />
by their patients, Think EoE and provide the<br />
appropriate care. This will be further supported<br />
by the first British medical diagnosis and<br />
treatment guidelines which we expect to see<br />
published later this year.<br />
‘EoE is a very unpleasant and life-changing<br />
condition, but conversely it is relatively easy to<br />
recognise, diagnose and treat,’ ‘We hope our<br />
campaign will remind everyone to ‘Think EoE’<br />
and help to make this happen.’<br />
WHY NOT WRITE FOR US?<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
<strong>Gastroenterology</strong> <strong>Today</strong> welcomes the submission of<br />
clinical papers and case reports or news that<br />
you feel will be of interest to your colleagues.<br />
Material submitted will be seen by those working within all<br />
UK gastroenterology departments and endoscopy units.<br />
All submissions should be forwarded to info@mediapublishingcompany.com<br />
If you have any queries please contact the publisher Terry Gardner via:<br />
info@mediapublishingcompany.com<br />
24
NEWS<br />
Eosinophilic Awareness Week 16 – 22nd May<br />
launched the ‘Think EoE’ campaign. EOS<br />
Network activities include the development<br />
of a patient information pack including a food<br />
obstruction patient action plan and symptom<br />
tracker, and emergency care education<br />
through an A&E awareness poster. Additionally,<br />
members of the EoE community will be visiting<br />
local GPs to provide information leaflets and<br />
posters to help with wider understanding of the<br />
disease and recognition of the symptoms.<br />
Find out more at www.eosnetwork.org<br />
For EoE case studies, or to interview Amanda<br />
Cordell, please contact Isla Whitcroft at Healthy<br />
PR on 07768661189 or email Islawhitcroft@<br />
healthypr.co.uk<br />
About the EOS Network Charity<br />
The EOS Network’s mission is to ensure<br />
that every person with an Eosinophilic<br />
Gastrointestinal Disease receives a prompt<br />
accurate diagnosis, the right treatment for<br />
them and support to live with their condition.<br />
Its vision is for a world where everyone with an<br />
Eosinophilic Gastrointestinal Disease can eat<br />
without pain.<br />
The EOS Network provides information and<br />
support for patients and their families, a<br />
global platform for clinicians and researchers,<br />
educational resources and events and works<br />
with medical bodies, manufacturers and<br />
funders to ensure that the patient’s voice is<br />
heard.<br />
Brief notes on EOE (for more detail see<br />
media pack)<br />
EoE is clinically characterized by oesophageal<br />
dysfunction and histologically characterized by<br />
an eosinophil-rich inflammation, most probably<br />
caused by common food allergies or other<br />
environmental triggers. Often misdiagnosed as<br />
GORD, 4 adult symptoms include dysphagia,<br />
bolus obstruction and chest pain related<br />
to swallowing, heartburn and regurgitation.<br />
In children they can include reflux-related<br />
symptoms, nausea, vomiting, abdominal pain,<br />
refusal to eat or failure to grow. 2 Untreated<br />
EoE can lead to oesophageal remodelling<br />
including the formation of strictures. EoE<br />
is the cause of more than 50% of all<br />
emergency presentations for oesophageal<br />
food bolus impactions. 1<br />
Annual incidence rates of EoE in western<br />
countries are 7 cases per 100,000 with<br />
prevalence rates of 34 per 100,000. 2 However<br />
for patients with dysphagia and bolus<br />
50%. 5 Many patients have a history of atopy,<br />
particularly asthma, allergic rhinitis and eczema. 6<br />
EoE only received classification in the 1990s<br />
and disease awareness, amongst both<br />
clinicians and the general public, is thought to<br />
be low. Currently, average time to diagnosis<br />
is up to 8.1 years. 2 Due to the patchy nature<br />
of the disease, diagnosis requires six biopsies<br />
to be taken from around the oesophagus via<br />
endoscopy. Diagnosis is defined by histological<br />
presence of eosinophils ≥15hpf.<br />
Treatment for EoE is focused around three<br />
areas: dietary exclusion, drugs and dilatation.<br />
Dietary exclusion is generally considered<br />
hard to maintain and costly. Dilatation,<br />
carried out when the disease has progressed<br />
to oesophageal strictures, is an invasive<br />
procedure which manages the symptoms<br />
but not the cause of EoE and often has to be<br />
repeated.<br />
Until recently, all drug treatments were off-label<br />
and topical steroid therapy was not optimised<br />
for delivery to the oesophagus. However<br />
after approval from the EMA, NICE and the<br />
SMC have now recommended budesonide<br />
orodispersible tablet (Jorveza ® ) for active EoE<br />
in adults, a treatment option designed to reach<br />
the area of inflammation in the oesophagus<br />
Current clinical guidelines can be found @<br />
obstruction, prevalence can be between 23-<br />
https://www.eosnetwork.org/medicalguidelines<br />
References<br />
1. Gastrointest Pharmacol Ther 2016; 7(2):<br />
207-13. Ahmed M. World J<br />
2. Orodispersible budesonide tablets for the<br />
treatment of eosinophilic esophagitis: a<br />
review of the latest evidence. Ther Adv<br />
Gastroenterol 2020, Vol. 13: 1–15. Miehlke<br />
S, Lucendo AJ, Straumann A, Bredenoord<br />
AJ and Attwood S<br />
3. Gastrointest Pharmacol Ther 2016; 7(2):<br />
207-13. Ahmed M. World J<br />
4. Eosinophilic esophagitis N Engl J Med.<br />
2015;373(17):1640–8. Furuta GT, Katzka<br />
DA.<br />
5. Prevalence of eosinophilic oesophagitis in<br />
adults presenting with oesophageal food<br />
bolus obstruction. World J Gastrointest<br />
Pharmacol Ther 2015;6:244–247. Heerasing<br />
N, Lee SY, Alexander S, et al<br />
6. Aliment Pharmacol Ther 2016; 43(1): 3-15.<br />
Arias Á et al<br />
Amanda Cordell Interview<br />
As awareness of the upper GI condition<br />
Eosinophilic Oesophagitis grows, including<br />
its significant impact on the quality of life<br />
for those affected, we talk to Amanda<br />
Cordell, Chair and Founder of the charity<br />
The EOS Network, to discover the inspiring<br />
story behind the founding of the charity<br />
which supports both patients and clinicians<br />
working in this field.<br />
When Amanda Cordell’s seven month old baby<br />
Samuel was diagnosed with multiple protein<br />
allergies and eosinophilic gastrointestinal<br />
disease back in 2003, she naturally searched<br />
around for any information which would help<br />
her to support her son.<br />
‘It quickly became clear that there was absolutely<br />
nothing out there,’ says Amanda. ‘My husband<br />
and I felt completely helpless and very isolated.’<br />
<strong>Today</strong>, Amanda is chair of the The EOS<br />
Network, which grew out of a Yahoo support<br />
group that she formed in 2005. The Network<br />
has a strong community of parents, carers<br />
and adult patients and over 2,000 followers on<br />
social media. The Network provides them with<br />
somewhere to turn for support, advice and gold<br />
standard information on eosinophilic diseases<br />
which run throughout the gut. Eosinophilic<br />
Oesophagitis (EoE) is the most common<br />
disorder, and a significant cause of oesophageal<br />
dysphagia and food bolus, whilst Eosinophilic<br />
Gastroenteritis (EGE), Gastritis (EG), and Colitis<br />
(EC), all appear in the middle and lower gut.<br />
In addition, over 100 clinical professionals from<br />
13 countries have already signed up to the<br />
charity’s Professional Network, all benefitting<br />
from rapid access to the latest clinical<br />
research, guidelines, medical education,<br />
patient resources as well as global networking<br />
and discussion opportunities. There are also<br />
collaborative partnerships with medical bodies<br />
‘Our professional network provides a platform<br />
to connect, collaborate and innovate in all<br />
things Eosinophilic,’ says Amanda. ‘In addition,<br />
the ripple effect means that our members can<br />
educate their colleagues about the condition<br />
which is, of course vital, if more patients are to<br />
be helped.<br />
‘As a patient advocate and as the parent of<br />
two children living with eosinophilic diseases,<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
25
NEWS<br />
I understand that it can feel like a pretty<br />
hopeless situation. Having an HCP in your<br />
corner who is supportive and knowledgeable<br />
makes such a huge difference.”<br />
When Amanda Cordell’s son Samuel was born<br />
17 years ago, he slept peacefully through the<br />
first night of his life. It was the last time he was<br />
to enjoy that simple luxury.<br />
‘The signs that something was wrong with<br />
Samuel were there from the first few days of<br />
his life, says Amanda. ‘He always seemed<br />
uncomfortable and never settled at night.<br />
He was a fussy eater who vomited up my<br />
breast milk, he developed cradle cap and then<br />
eczema which become infected so badly that<br />
he had to be admitted to our local hospital.’<br />
In hospital Samuel caught Rotavirus and was<br />
placed on a special feed but even when he<br />
was well enough to be discharged, he still<br />
suffered constant vomiting, whilst his explosive<br />
bowel movements overflowed his nappy.<br />
‘We hardly slept for months,’ remembers<br />
Amanda. ‘We would take it in turns to walk<br />
up and down with him all night whilst he cried<br />
or was sick. We were new parents, so it was<br />
sometimes hard to know what was normal<br />
and our GP and the local hospital seemed to<br />
have little idea on how to help us. David and<br />
I were convinced however, that there was a<br />
connection between his bowel issues, eczema<br />
and vomiting.’<br />
where people understood what you were going<br />
through but also where there was hope for the<br />
future. I came back to the UK and started up<br />
an online UK support group and things just<br />
went from there.’<br />
‘We quickly discovered that there was a<br />
whole raft of people, often with very poorly<br />
children who were simply desperate for help.<br />
On the clinical side there was clearly a huge<br />
knowledge gap and a lack of consensus on<br />
how to treat these patients.<br />
Their daughter Heather born in 2007 was also to<br />
develop gut problems, eczema and immediate<br />
allergies. “It was devasting to hear our daughter<br />
also be given an eosinophilic diagnosis.”<br />
We spent the next few years raising funds and<br />
with the support of other families affected by<br />
eosinophilic diseases in 2010, we registered<br />
our group as a charity.<br />
‘Sadly, in December 2013, Samuel became<br />
seriously ill and I was forced to a back seat for<br />
a few years, but in the meantime the need for<br />
research, diagnosis consensus and treatments<br />
became even greater.”<br />
‘I went back to Cincinnati for the 2017 CURED<br />
conference and was completely humbled<br />
by the great work that the researchers<br />
and patient advocates had done in driving<br />
forward awareness and change in the USA.<br />
The meeting had attendees and presenters<br />
from around the globe, including the UK’s<br />
Professor Stephen Attwood who first identified<br />
eosinophilic oesophagitis. I came back inspired<br />
with the aim of bringing together the global<br />
expertise to improve disease awareness,<br />
access to medical care and patient support for<br />
all those suffering with eosinophilic diseases.’<br />
The charity was relaunched in 2019 as<br />
the EOS Network, now supported by a<br />
medical and scientific board. The change<br />
in constitution provided two arms, one a<br />
community hub for patients and their families<br />
and the other a global network for HCPs.<br />
‘There is a real need to expand our reach,<br />
to more patients their families and HCPs, ‘<br />
says Amanda. ‘Both here and abroad it is still<br />
difficult for people to get in front of an HCP who<br />
understands EOS diseases which can mean a<br />
delay in diagnosis and access treatments. The<br />
last 8 months have been a huge success but<br />
there is still a lot of work to be done.”<br />
If you need more information or you would like<br />
to get involved go to www.eosnetwork.org or<br />
email contactus@eosnetwork.org<br />
At seven months, Samuel was referred to a<br />
paediatric gastroenterologist who diagnosed<br />
him with eosinophilic gastrointestinal disease<br />
as the cause of his relentless symptoms.<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
‘We didn’t know it then, but we were at the start<br />
of a very long, tough journey,’ says Amanda.<br />
Samuel was placed on a highly restrictive<br />
diet with elemental feed and Amanda started<br />
to search for information that might help her<br />
and David to support their son. Whilst there<br />
was virtually no information on the condition<br />
in the UK and Europe, Amanda learned about<br />
the work being carried out into gut allergies<br />
and eosinophilic disorders at the Cincinnati<br />
Children’s Hospital. In 2005 she and her<br />
husband David attended a conference when,<br />
for the first time, they realised the value of<br />
having a support group.<br />
‘It was such as relief to be in an environment<br />
26
NEWS<br />
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By enabling clinicians to make<br />
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The Cytosponge is a patient-friendly<br />
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cancer in people living with heartburn<br />
or reflux symptoms. This test is a<br />
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collect cells from the oesophagus, which<br />
are then sent to the Cyted laboratory<br />
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GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
27
REPORT<br />
THE COST OF OPIOID-INDUCED CONSTIPATION (OIC)<br />
AN ESSENTIAL REPORT INTO THE FINANCIAL AND<br />
PERSONAL COST OF OIC<br />
May, <strong>2022</strong> – Opioids are widely used to treat serious pain,<br />
including in patients with cancer. The majority of these<br />
patients will experience the side-effect of opioid-induced<br />
constipation (OIC), caused by the opioids binding to the<br />
μ-receptors in the enteric system.<br />
aware of the importance of diagnosing OIC, monitoring the condition<br />
and providing appropriate treatment. For example, peripheral-acting mu<br />
opioid receptor antagonists (PAMORAs) are a unique class of drugs that<br />
act directly on the mechanism causing OIC, and are therefore far more<br />
effective than traditional treatments.<br />
There has been a sharp increase in the prescribing of opioids to patients<br />
with chronic pain. However, despite the debilitating side effect of<br />
constipation many healthcare professionals continue to prescribe opioids.<br />
Recommendations<br />
The Cost of Opioid-induced Constipation report recommends that<br />
clinicians:<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
28<br />
OIC has a devastating effect on people’s lives but is often treated with<br />
laxatives, which have limited effect. OIC frequently has a negative impact<br />
on patients’ quality of life, including their ability to perform daily activities<br />
and work productively, yet there is little recognition of the condition and<br />
how to manage it.<br />
The Bowel Interest Group’s latest report, The Cost of Opioid-induced<br />
Constipation, will be published in June and sets out to educate primary<br />
and secondary healthcare professionals in the management of OIC.<br />
Key facts<br />
• Studies suggest that OIC affects between 41% and 57% of patients<br />
taking opioids for pain and 87% of patients with terminal cancer using<br />
opioids. 1<br />
• Doctors are prescribing laxatives for OIC, even though their<br />
effectiveness is limited.<br />
• Constipation is one of the most common reasons patients avoid<br />
taking opioid treatments or stop taking them.<br />
• There appears to be a clear relationship between higher levels of<br />
opioid analgesic prescribing and laxative prescribing rates. 2<br />
• There is a close correlation between opioid prescribing rates and<br />
admissions to hospital for constipation. 3<br />
• In 2018-19, the estimated annual spend by NHS England on<br />
constipation was £168 million. 4<br />
• In 2021, nearly 23 million opioid analgesic prescriptions were<br />
dispensed in the community, at a cost of approximately £202 million. 2<br />
OIC is underdiagnosed and therefore undertreated 1 or sometimes<br />
inappropriately treated. Not all doctors adhere to the Rome IV criteria<br />
for diagnosing OIC. Conventional treatments such as dietary changes<br />
and laxatives are rarely effective in treating OIC, but doctors continue to<br />
prescribe them.<br />
OIC can be very psychologically distressing for patients, who may<br />
choose to manage the condition themselves. This can include reducing<br />
their dose of opioids or even stopping taking opioids altogether.<br />
Better education of health professionals is needed so that they are<br />
Refences<br />
1. Cobo Dols M., Beato Zambrano C., Cabezón-Gutiérrez L., et al. (2021). One-year efficacy and safety of naloxegol<br />
on symptoms and quality of life related to opioid-induced constipation in patients with cancer: KYONAL study.<br />
BMJ Supportive & Palliative Care.<br />
2. Prescription data for section code 040702 (Opioid Analgesic Prescribing), 0106 Laxative Prescribing), and<br />
010606 (PAMORA Prescribing) from Jan 2017 – Dec 2021. Accessed March <strong>2022</strong> from NHS BSA England<br />
Prescribing Database and Openprescribing.net.<br />
• take a more proactive approach in the management of OIC, using a<br />
standard, symptom-based definition of the condition<br />
• educate themselves about treatment options<br />
• ask the patient regularly about symptoms<br />
• ensure that patients receive therapy that manages their pain<br />
appropriately while avoiding the debilitating consequences of OIC.<br />
Professor Anton Emmanuel, Professor in Neuro-<strong>Gastroenterology</strong><br />
at University College London and Consultant Gastroenterologist at<br />
University College Hospital and the National Hospital for Neurology and<br />
Neurosurgery (Queen Square), says:<br />
“The Cost of Opioid-Induced Constipation Report emphasises the<br />
devastating impact that OIC has on patients, who face a stark choice of<br />
whether to endure the impact of chronic pain, or the pain of the constipation<br />
that results from taking the very painkillers that should be helping them.<br />
Patients' quality of life is severely impacted by the condition – what they are<br />
experiencing is often very distressing, not just a ‘nuisance’. Studies suggest<br />
that OIC affects between 41% and 57% of patients taking opioids for pain,<br />
and up to 87% of patients with terminal cancer using opioids.<br />
“OIC is often misdiagnosed and therefore sometimes inappropriately<br />
treated. Usual constipation treatments such as diet changes of<br />
prescribing of laxatives rarely work in treating OIC, because they do<br />
not target the underlying cause; the opioid binding to the μ-receptors.<br />
Inappropriate treatment leaves many patients to attempt to treat the<br />
condition themselves, while all the time enduring their chronic pain.<br />
More education for healthcare professionals in diagnosing, appropriately<br />
treating and managing OIC is needed. The Cost of Opioid-Induced<br />
Constipation Report highlights the urgency of the need and also the<br />
cost, both in terms of the financial cost to the NHS, and the cost of the<br />
impact on patients’ wellbeing and quality of life.”<br />
The full report will be available on the Bowel Interest Group’s website in<br />
June.<br />
For more information on the work of the Bowel Interest Group, visit<br />
www.bowelinterestgroup.co.uk.<br />
3. Admissions data for ICD 10 diagnosis code K59.0 (Constipation) from April 2016 to January 2020. Accessed May<br />
2020 from Vantage System provided by Health IQ.<br />
4. Bowel Interest Group (2020). Cost of constipation report. 2020. Available from: https://bowelinterestgroup.co.uk/<br />
wpcontent/uploads/2020/07/Cost-of-Constipation-2020.pdf<br />
5. Kumar, L., Barker, C., Emmanuel, A. (2014). Opioid-Induced Constipation: Pathophysiology, Clinical<br />
Consequences, and Management, <strong>Gastroenterology</strong> Research and Practice. 2014. https://doi.<br />
org/10.1155/2014/141737
COMPANY NEWS<br />
STUDY CONFIRMS ACCURACY OF NEW GENERATION<br />
GASTROPANEL ® TEST FOR NON-INVASIVE DIAGNOSIS OF<br />
ATROPHIC GASTRITIS AND HELICOBACTER PYLORI INFECTION<br />
A clinical validation study conducted at Oulu University<br />
Hospital (OUH) has confirmed the high accuracy of BIOHIT<br />
Oyj’s new generation GastroPanel ® test for the diagnosis of<br />
atrophic gastritis (AG) and Helicobacter pylori (Hp) infection<br />
in patients referred for gastroscopy. 1 This unique blood test is<br />
designed for the first-line diagnosis of Hp infection and AG in<br />
patients with upper abdominal symptoms, such as dyspepsia<br />
and gastro-oesophageal reflux disease (GORD), before<br />
endoscopy. GastroPanel is also the only test on the market<br />
capable of monitoring the regulatory mechanism of acid<br />
output in the stomach.<br />
Hp infection, AG and high acid output are important risk factors<br />
for gastric and oesophageal cancers. The new generation (unified)<br />
GastroPanel test works on the same principle as the original<br />
GastroPanel ELISA test and is designed to harmonize the ELISA<br />
processing conditions of four biomarkers. This highly informative assay<br />
is therefore a cost-effective solution for population-based screening for<br />
the risk of gastric cancer in asymptomatic and symptomatic individuals,<br />
and its efficacy has already been confirmed by several studies in both<br />
high- and low-risk countries.<br />
This latest study evaluated the diagnostic accuracy of the new<br />
generation GastroPanel test for the diagnosis of both AG and Hp<br />
infection in patients referred for gastroscopy from Primary Care with<br />
different indications. Along with the previously published clinical<br />
validation studies, 2,3 this biopsy-confirmed study was designed to<br />
verify the diagnostic capabilities of the new generation GastroPanel<br />
test compared to the current gold standard (gastroscopy and biopsy<br />
analysis), and to demonstrate its performance was comparable to the<br />
original GastroPanel test. The positive results from this study also pave<br />
the way for BIOHIT’s new GastroPanel Quick Test (point of care test)<br />
which will be launched in Q1 <strong>2022</strong>.<br />
Dr. Olli-Pekka Koivurova, Principal Investigator of the study at OUH,<br />
commented: “A total of 522 patients referred for gastroscopy at the<br />
Gastro Centre, OUH, were consented and enrolled for this particular<br />
study. Blood was sampled for all patients using the GastroPanel test,<br />
along with performing quality-controlled gastroscopies with mucosal<br />
biopsies. The results confirmed that the new generation GastroPanel<br />
is a highly accurate test for the non-invasive diagnosis of AG and Hp<br />
infection in patients referred for diagnostic gastroscopies.”<br />
For more information visit www.biohithealthcare.co.uk/gastropanel.<br />
1. Koivurova O-P, et al. Serological biomarker panel in diagnosis of<br />
atrophic gastritis and Helicobacter pylori infection in gastroscopy<br />
referral patients. Clinical validation of the new generation GastroPanel ®<br />
test. Anticancer Res. 2021, 41, 5527-5537.<br />
2. Koivurova O-P, et al. Screening of the patients with autoimmune<br />
thyroid disease (AITD) and type 1 diabetes mellitus (DM1) for atrophic<br />
gastritis (AG) by serological biomarker testing (GastroPanel ® ). EC<br />
Gastroenterol. Digest. Syst, 2020, 7, 181-195.<br />
3. Mäki M, et al. Helicobacter pylori (Hp) IgG ELISA of the newgeneration<br />
GastroPanel ® is highly accurate in diagnosis of Hp-<br />
Infection in gastroscopy referral patients. Anticancer Res, 2020, 40,<br />
6387-6398.<br />
About BIOHIT Healthcare Ltd<br />
BIOHIT Healthcare Ltd (www.biohithealthcare.co.uk) is part of<br />
the Finnish public company, BIOHIT OYJ, which specialises in the<br />
development, manufacture and marketing of products and analysis<br />
systems for the early diagnosis and prevention of gastrointestinal<br />
diseases. The company’s many unique and patented diagnostic tests<br />
transform clinical practice and make screening, diagnosis and monitoring<br />
of gastrointestinal diseases efficient and cost effective. Non-invasive<br />
diagnostics are at the core of BIOHIT’s offering, making it the provider of<br />
choice for leading gastroenterologists and laboratory scientists worldwide.<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
29
COMPANY NEWS<br />
SYMPROVE:<br />
Symprove is a patented water-based probiotic that delivers viable<br />
bacteria to the gastrointestinal tract, as evidenced by extensive<br />
in-vitro data utilising the Simulator of the Human Intestinal<br />
Microbial Ecosystem (SHIME ® ). 1-3 Independent research to date<br />
has been undertaken in collaboration with research partners<br />
including University College London and King’s College London.<br />
With existing randomised controlled trials including irritable<br />
bowel syndrome, inflammatory bowel disease and diverticular<br />
disease completed, 4-6 further studies underway with key<br />
research partners including Sheffield Hallam University, include<br />
diverticulitis and Parkinson’s disease. These studies are due for<br />
publication in <strong>2022</strong>-2023. A full summary of Symprove published<br />
data is available at symproveforprofessionals.com.<br />
Dr Andrew Thillainayagam, consultant gastroenterologist, Imperial College<br />
Healthcare NHS Trust, London: “Behavioural disorders of the gut, what we<br />
call functional bowel disorders, of which IBS is one, have a terrible impact on<br />
people’s quality of life. I recommend Symprove to almost all of my patients<br />
who have functional problems in the gut, based on the enormous amount of<br />
clinical evidence behind it, which includes randomised controlled trials.”<br />
London: “Symprove is different<br />
from other probiotics because<br />
it is water-based, which means<br />
it limits exposure to gastric<br />
juices and digestive enzymes in<br />
the stomach. Symprove is also<br />
fermented, enabling the bacteria<br />
to grow and become used to<br />
an acidic environment as part of<br />
the manufacturing process. This<br />
means when a patient swallows<br />
Symprove, the bacteria are able to<br />
survive the stomach acid and then<br />
thrive in the colon.”<br />
Barry Smith, Founder of Symprove Ltd, says: “At Symprove, we pride<br />
ourselves on our loyal customer base, with 92% of people feeling the<br />
difference at 12 weeks in their Symprove journey. We are hugely excited<br />
about what the future holds, as we expand our research programme to<br />
support different patient groups.”<br />
Prof Simon Gaisford, Professor of Pharmaceutics, University College<br />
Find out more at symproveforprofessionals.com<br />
Refences<br />
1. Fredua-Agymean M, et al. Benef Microbes 2015;6(1):141–51.<br />
2. Ghyselinck J, et al. Int J Pharm X 2021:3:100087.<br />
3. Ghyselinck J, et al. Int J Pharm 2020;587:119648.<br />
4. Sisson G, et al. Aliment Pharmacol Ther 2014;40(1):51–62.<br />
5. Bjarnason I, et al. Inflammopharmacology 2019;27(3):465–473.<br />
6. Kvasnovsky CL, et al. Inflammopharmcology 2017; doi: 10.1007/s10787-017-0363-y.<br />
EVALUATE THE ENTIRE ANALYTICAL<br />
PROCESS OF THE BCID2 PANEL<br />
ASSAY FOR SEPSIS<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
The BIOFIRE ® Blood Culture Identification 2 (BCID2) Panel<br />
rapidly detects pathogens and antimicrobial resistance genes,<br />
directly from positive blood cultures, to shorten the time to<br />
optimal therapy for sepsis. To monitor accuracy and precision<br />
of the whole system the new Streck MDx-Chex Control is<br />
the first-of-its-kind quality control, specifically designed to<br />
meet the standards for verifying the entire analytical process<br />
of the BioFire BCID2 sepsis assay. It provides confidence<br />
in instrument results to ensure the best patient treatment<br />
decisions.<br />
Now available in the UK from Alpha Laboratories, MDx-Chex<br />
evaluates the entire analytical process of the assay, including cell<br />
lysis, DNA extraction, purification and removal of PCR inhibitors, as<br />
well as qPCR amplification, detection and analysis.<br />
MDx-Chex contains 43 bacteria, yeasts and antimicrobial resistance<br />
gene targets covering all those tested on the BIOFIRE BCID2 Panel. The<br />
intact, inactivated microorganisms are suspended in a matrix of stabilized<br />
red and white blood cells, plus blood culture media components, designed<br />
to challenge the lysis and purification processes, just like a patient sample.<br />
Routine use of MDx-Chex for BCID2 as a full process quality control can help<br />
identify variations in the test system that can lead to incorrect results. It can be<br />
used as a 3rd party quality control to support ISO 15189 compliance.<br />
View the MDx-Chex for BCID2 Best Practice Guide at:<br />
https://www.youtube.com/watch?v=1z0g5DVtCEU<br />
Please visit www.alphalabs.co.uk for further information or contact<br />
Alpha Laboratories on 0800 38 77 32 or email<br />
marketing@alphalabs.co.uk<br />
30
COMPANY NEWS<br />
Thousands of<br />
healthcare professionals<br />
recommend Symprove<br />
Symprove is a live liquid-based probiotic<br />
containing four strains of bacteria*<br />
Evidence-based: Independent research conducted at<br />
University College London and King’s College London.<br />
Safety: Well tolerated, long history of safe use.<br />
All strains are fully characterised.<br />
Here are the reasons why:<br />
Survival: In vitro/in vivo research demonstrating<br />
viability of bacteria through the gut.<br />
Formulation: Manufactured to ensure<br />
bacterial tolerance through the gut.<br />
For more information please visit: symproveforprofessionals.com<br />
GASTROENTEROLOGY TODAY - SUMMER <strong>2022</strong><br />
*Lacticaseibacillus rhamnosus NCIMB 30174, Enterococcus faecium NCIMB 30176, Lactobacillus acidophilus NCIMB 30175, Lactiplantibacillus plantarum NCIMB 30173.<br />
31
Helicobacter Test INFAI ®<br />
The most used 13 C-urea breath test for the<br />
diagnosis of Hp-infection worldwide<br />
• more than 4.5 million INFAI tests performed in Europe<br />
• approved for children from the ages of 3 to 11<br />
• special INFAI test for patients with dyspepsia taking PPIs<br />
• cost-effective CliniPac Basic version for hospital use<br />
INFAI Institute for Biomedical Analysis & NMR Imaging, INFAI UK Ltd<br />
Innovation Centre, University Science Park, University Road, Heslington, YORK YO10 5DG, UK<br />
Phone +44 1904 435 228 - Fax +44 1904 435 229 - mail: info@infai.co.uk - Visit us at www.infai.com